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Brauer, R. and Feit, W. (1959) On the Number of Irreducible Characters of Finite Groups in a Given Block. Proceedings of the National Academy of Sciences of the United States of America, 45, 361-365.
http://dx.doi.org/10.1073/pnas.45.3.361

has been cited by the following article:

• TITLE: On k(D)-Blocks

  AUTHORS: Ahmad M. Alghamdi

  KEYWORDS: Brauer’s k(B) Problem, Blocks with Cyclic Defect Groups

  JOURNAL NAME: Advances in Pure Mathematics, Vol.5 No.4, March 20, 2015

  ABSTRACT: The objective of this research paper is to study numerical relationships between a block of a finite group and a defect group of such block. We define a new notion which is called a strongly k(D)- block and give a necessary and sufficient condition of a block with a cyclic defect group to be a k(D) -block in term of its inertial index. We believe that the notion and the results in this work will contribute to the developments of the theory of blocks of finite groups.